linux-kernel - [tip:cpus4096] numa, cpumask: move numa_node_id default implementation to topology.h

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Date:	Fri, 13 Mar 2009 13:45:36 GMT
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	travis@....com, rusty@...tcorp.com.au, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:cpus4096] numa, cpumask: move numa_node_id default implementation to topology.h

Commit-ID:  082edb7bf443eb8eda15b482d16ad9dd8137ad24
Gitweb:     http://git.kernel.org/tip/082edb7bf443eb8eda15b482d16ad9dd8137ad24
Author:     Rusty Russell <rusty@...tcorp.com.au>
AuthorDate: Fri, 13 Mar 2009 23:43:37 +1030
Commit:     Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 13 Mar 2009 14:35:31 +0100

numa, cpumask: move numa_node_id default implementation to topology.h

Impact: cleanup, potential bugfix

Not sure what changed to expose this, but clearly that numa_node_id()
doesn't belong in mmzone.h (the inline in gfp.h is probably overkill, too).

In file included from include/linux/topology.h:34,
                 from arch/x86/mm/numa.c:2:
/home/rusty/patches-cpumask/linux-2.6/arch/x86/include/asm/topology.h:64:1: warning: "numa_node_id" redefined
In file included from include/linux/topology.h:32,
                 from arch/x86/mm/numa.c:2:
include/linux/mmzone.h:770:1: warning: this is the location of the previous definition

Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
Cc: Mike Travis <travis@....com>
LKML-Reference: <200903132343.37661.rusty@...tcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 include/linux/gfp.h      |    1 +
 include/linux/mmzone.h   |    6 ------
 include/linux/topology.h |    5 +++++
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index dd20cd7..0bbc15f 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -4,6 +4,7 @@
 #include <linux/mmzone.h>
 #include <linux/stddef.h>
 #include <linux/linkage.h>
+#include <linux/topology.h>
 
 struct vm_area_struct;
 
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 1aca6ce..e6aacf7 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -764,12 +764,6 @@ extern int numa_zonelist_order_handler(struct ctl_table *, int,
 extern char numa_zonelist_order[];
 #define NUMA_ZONELIST_ORDER_LEN 16	/* string buffer size */
 
-#include <linux/topology.h>
-/* Returns the number of the current Node. */
-#ifndef numa_node_id
-#define numa_node_id()		(cpu_to_node(raw_smp_processor_id()))
-#endif
-
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 
 extern struct pglist_data contig_page_data;
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 16b7d68..7402c1a 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -196,4 +196,9 @@ int arch_update_cpu_topology(void);
 #define topology_core_cpumask(cpu)		cpumask_of(cpu)
 #endif
 
+/* Returns the number of the current Node. */
+#ifndef numa_node_id
+#define numa_node_id()		(cpu_to_node(raw_smp_processor_id()))
+#endif
+
 #endif /* _LINUX_TOPOLOGY_H */
--
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